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Sagot :
The maximum speed of the piston is 397.73 rad/sec and the maximum force is 12,656.0868 N acting on the piston when the engine is running at 4200 rpm
Since we are given a mass which is 1.5 kg, and an amplitude of 12 cm = 0.12 m. So the angular speed =3 800 rpm = 2*3.14*3800/ 60 = 397.73 rad/sec.Since we know angular speed = √(k/m)
= 397.73 = √ (k/1.5)
=>158201.08 =k/1.5
=>k=105467.39 N/m
The force will be, F=KA=105467.39 *0.12 = 12,656.0868 N
To know more about force refers to the link brainly.com/question/26115859
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